Some advances that change something on a small scale, but others shake up everything known so far.

Every summer, we all update our wardrobes: the thickness of the clothes, the colours, some accessories, the shoes. We refresh scarves with bikinis, corduroy trousers with shorts and boots with flip-flops.

At CERN, they too are in the habit of regularly updating themselves. In 2011, the High-Luminosity Large Hadron Collider (HL-LHC) was born. Led by CERN with the support of international institutions from many different countries, it aims to increase the LHC potential for new discoveries from 2027 onwards.

A major upgrade that will help us to push the limits of our knowledge, and that will bring with it technological modernisation and the development of new technologies which will be implemented in other CERN accelerators.

HL-LHC is a Beehive formed by 19 cells. Each cell is a Work Package, from where a lot of bees of all ages, nationalities, and disciplines row together in one direction.

If these cells were isolated, they would be honeyless. It is the sum of their daily hard work, their willingness to collaborate and their enthusiasm that make this possible.

HL–LHC, much more than a project.

Discover the cells that form    the Hilumi beehive!